FixVault

DTC U0129 Lost Communication with Brake System Control Module: Description

The combination meter communicates with the skid control ECU via the CAN line.

DTC DETECTION CONDITION CHART

DTC Code DTC Detection Condition Trouble Area
U0129 When 15 seconds have elapsed after the engine is started and IG voltage is 10.5 V or more while no communication with the skid control ECU continues for 3 seconds or more (no communication with the ECM or skid control ECU continues for 60 seconds or more). CAN communication system